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Mail Backup X vs Got Your Back: catalog facts
Mail Backup X	Got Your Back
Paid Free to try, with a paid licence to keep using it.	Free Free, with source code published on GitHub.
Windows, macOS	Windows, Linux, Command line
Supports many desktop clients and online mail services Archive viewer and format converter included	Uses the official Gmail API over HTTPS Scriptable from the command line
Proprietary and paid after the trial Developer details are not clear from the site	Command line only Only works with Gmail and Google accounts
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.